| 天津地区地热钻井中地层漏失分析及堵漏方法选择 |
| |
| 引用本文： | 钱洪强, 王娟, 孙玉东, 王震凯, 袁博. 天津地区地热钻井中地层漏失分析及堵漏方法选择[J]. 华北地质, 2016, (3): 226-230. doi: 10.3969/j.issn.1672-4135.2016.03.011 |
| |
| 作者姓名： | 钱洪强 王娟 孙玉东 王震凯 袁博 |
| |
| 作者单位： | 天津地热勘查开发设计院，天津，300250; 天津地热勘查开发设计院，天津，300250; 天津地热勘查开发设计院，天津，300250; 天津地热勘查开发设计院，天津，300250; 天津地热勘查开发设计院，天津，300250 |
| |
| 基金项目： | 天津市东丽区民和巷地热井勘探项目 青年科学基金项目“天津地区地热田热储层压力分析及研究意义 |
| |
| 摘 要： | 天津地区地热钻井中,井漏是常见的现象。按照地层差异,井漏可以分为孔隙型漏失和裂隙、溶洞型漏失两种,孔隙型漏失主要发生在砂岩、砂砾岩中,漏失量小,处理起来比较简单,裂隙、溶洞型漏失漏失量大,堵漏工艺复杂,且不易奏效。本文通过两种地热井漏失的成因分析,分别列举了它们各自的堵漏方法和施工中的注意事项,重点对堵漏难度大的裂隙、溶洞型漏失进行了漏层判定分析和堵漏方法介绍,并通过两项施工实例来加以佐证。此研究对地热钻井中的地层漏失及堵漏工艺有一定的借鉴作用。
|
| 关 键 词： | 地热钻井 钻井液漏失 裂隙 堵漏方法 |
Analysis of leakage formation and selection of leaking stoppage methods in geothermal well drilling in Tianjin area |
| |
| QIAN Hong-qiang, WANG Juan, SUN Yu-dong, WANG Zhen-kai, YUAN Bo. Analysis of leakage formation and selection of leaking stoppage methods in geothermal well drilling in Tianjin area[J]. North China Geology, 2016, (3): 226-230. doi: 10.3969/j.issn.1672-4135.2016.03.011 |
| |
| Authors: | QIAN Hong-qiang WANG Juan SUN Yu-dong WANG Zhen-kai YUAN Bo |
| |
| Abstract: | Geothermal drilling in Tianjin, well leakage is a common phenomenon. According to the formation difference, well leakage can be divided into pore type leakage and fissured-cavern leakage. Pore type leakage mainly occurred in sandstone and gravel, the leakage is small, it is relatively simple to deal with. Fissured-cavern leakage often with large leakage loss, and is not easy to work. This article analyzes the causes of two kinds of leakage, Separately sets their respective plugging methods and the cautions for construction. The emphasis is on the analysis of fissured-cavern leakage, and through two examples to prove the construction. In this paper, the formation leakage and plugging technology in geothermal drilling has a certain reference. |
| |
| Keywords: | geothermal well drilling fluid leakage fracture plugging method |
| 本文献已被 CNKI 等数据库收录！ |
| 点击此处可从《华北地质》浏览原始摘要信息 |
|
点击此处可从《华北地质》下载全文 |
|
